package com.collection.linkedhashsets;

import java.util.LinkedHashSet;

public class SimpleLinkedHashSetExample {
	public static void main(String[] args) {
	    //create object of LinkedHashSet
	    LinkedHashSet lhashSet = new LinkedHashSet();
	   
	    /*
	      Add an Object to LinkedHashSet using
	      boolean add(Object obj) method of Java LinkedHashSet class.
	      This method adds an element to LinkedHashSet if it is not
	      already present in LinkedHashSet.
	      It returns true if the element was added to LinkedHashSet, false otherwise.
	    */
	   
	    lhashSet.add(new Integer("1"));
	    lhashSet.add(new Integer("2"));
	    lhashSet.add(new Integer("3"));
	   
	    /*
	      Please note that add method accepts Objects. Java Primitive values CAN NOT
	      be added directly to LinkedHashSet. It must be converted to corrosponding
	      wrapper class first.
	    */
	   
	    System.out.println("LinkedHashSet contains.." + lhashSet);  
	  }
}
